X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Ffb-direct.c;h=865bbb44a4114aa276d034a66170d8a0eaeefc58;hb=90afcc18dbf7cb6c682e1efb994007f03e304422;hp=b3b191f6816fef6185f25efd448fdef2ed7c1ca9;hpb=7119957a2df57af617f432dd429e1d6ae5cbe0fd;p=libucw.git diff --git a/lib/fb-direct.c b/lib/fb-direct.c index b3b191f6..865bbb44 100644 --- a/lib/fb-direct.c +++ b/lib/fb-direct.c @@ -1,7 +1,7 @@ /* * UCW Library -- Fast Buffered I/O on O_DIRECT Files * - * (c) 2006 Martin Mares + * (c) 2006--2007 Martin Mares * * This software may be freely distributed and used according to the terms * of the GNU Lesser General Public License. @@ -20,7 +20,7 @@ * * FIXME: what if the OS doesn't support O_DIRECT? * FIXME: unaligned seeks and partial writes? - * FIXME: merge with other file-oriented fastbufs + * FIXME: append to unaligned file */ #undef LOCAL_DEBUG @@ -57,7 +57,7 @@ enum fbdir_mode { // Current operating mode struct fb_direct { struct fastbuf fb; int fd; // File descriptor - int is_temp_file; // 0=normal file, 1=temporary file, delete on close, -1=shared FD + int is_temp_file; struct asio_queue *io_queue; // I/O queue to use struct asio_queue *user_queue; // If io_queue was supplied by the user struct asio_request *pending_read; @@ -264,26 +264,21 @@ fbdir_close(struct fastbuf *f) if (!F->user_queue) fbdir_put_io_queue(); - switch (F->is_temp_file) - { - case 1: - if (unlink(f->name) < 0) - msg(L_ERROR, "unlink(%s): %m", f->name); - case 0: - close(F->fd); - } - + bclose_file_helper(f, F->fd, F->is_temp_file); xfree(f); } static int fbdir_config(struct fastbuf *f, uns item, int value) { + int orig; + switch (item) { case BCONFIG_IS_TEMP_FILE: + orig = FB_DIRECT(f)->is_temp_file; FB_DIRECT(f)->is_temp_file = value; - return 0; + return orig; default: return -1; } @@ -320,13 +315,14 @@ fbdir_open_fd_internal(int fd, const char *name, struct asio_queue *q, uns buffe int main(int argc, char **argv) { + struct fb_params par = { .type = FB_DIRECT }; struct fastbuf *f, *t; log_init(NULL); if (cf_getopt(argc, argv, CF_SHORT_OPTS, CF_NO_LONG_OPTS, NULL) >= 0) die("Hey, whaddya want?"); - f = (optind < argc) ? fbdir_open(argv[optind++], O_RDONLY, NULL) : fbdir_open_fd(0, NULL); - t = (optind < argc) ? fbdir_open(argv[optind++], O_RDWR | O_CREAT | O_TRUNC, NULL) : fbdir_open_fd(1, NULL); + f = (optind < argc) ? bopen_file(argv[optind++], O_RDONLY, &par) : bopen_fd(0, &par); + t = (optind < argc) ? bopen_file(argv[optind++], O_RDWR | O_CREAT | O_TRUNC, &par) : bopen_fd(1, &par); bbcopy(f, t, ~0U); ASSERT(btell(f) == btell(t));